259216domain: NAppears in sequencesa(n) = 2*a(n-1) + 10*a(n-2), with a(0) = 1, a(1) = 12.at n=8A083101a(n) = 2*a(n-1) + 10*a(n-2), a(0)=1, a(1)=1.at n=9A133294